超纯水设备系统进水的化学处理方法——添加阻垢剂

aohao

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;mso-pagination:
none;layout-grid-mode:both;text-autospace:none"><a href="http://www.purewaterone.com"><font size="3"><b>超纯水设备</b></font></a><font face="宋体" size="3">系统进行的化学处理方法——加阻垢剂</font><span lang="EN-US" style="font-family: 宋体; font-size: 12pt;"><o:p></o:p></span></p><p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;mso-pagination:
none;layout-grid-mode:both;text-autospace:none"><span style="font-size:12.0pt;
font-family:宋体;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin;
mso-bidi-font-family:宋体">阻垢剂可以用于控制碳酸盐垢、硫酸盐垢以及氟化钙垢</span><span lang="EN-US" style="font-size:12.0pt;font-family:TimesNewRoman;mso-hansi-font-family:Calibri;
mso-hansi-theme-font:minor-latin;mso-bidi-font-family:TimesNewRoman">, </span><span style="font-size:12.0pt;font-family:宋体;mso-hansi-font-family:Calibri;
mso-hansi-theme-font:minor-latin;mso-bidi-font-family:宋体">通常有四类阻垢剂</span><span lang="EN-US" style="font-size:12.0pt;font-family:TimesNewRoman;mso-hansi-font-family:
Calibri;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:TimesNewRoman">: </span><span style="font-size:12.0pt;font-family:宋体;mso-hansi-font-family:Calibri;
mso-hansi-theme-font:minor-latin;mso-bidi-font-family:宋体">六偏磷酸钠</span><span lang="EN-US" style="font-size:12.0pt;font-family:TimesNewRoman;mso-hansi-font-family:
Calibri;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:TimesNewRoman">(SHMP)</span><span style="font-size:12.0pt;font-family:宋体;mso-hansi-font-family:Calibri;
mso-hansi-theme-font:minor-latin;mso-bidi-font-family:宋体">、有机磷酸盐和聚合有机类阻垢剂以及复合专用阻垢剂等。<span lang="EN-US"><o:p></o:p></span></span></p><p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;mso-pagination:
none;layout-grid-mode:both;text-autospace:none"><span style="font-size:12.0pt;
font-family:宋体;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin;
mso-bidi-font-family:宋体">相对聚合有机阻垢剂而言</span><span lang="EN-US" style="font-size:
12.0pt;font-family:TimesNewRoman;mso-hansi-font-family:Calibri;mso-hansi-theme-font:
minor-latin;mso-bidi-font-family:TimesNewRoman">, </span><span style="font-size:12.0pt;font-family:宋体;mso-hansi-font-family:Calibri;
mso-hansi-theme-font:minor-latin;mso-bidi-font-family:宋体">六偏磷酸钠价廉但不太稳定</span><span lang="EN-US" style="font-size:12.0pt;font-family:TimesNewRoman;mso-hansi-font-family:
Calibri;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:TimesNewRoman">, </span><span style="font-size:12.0pt;font-family:宋体;mso-hansi-font-family:Calibri;
mso-hansi-theme-font:minor-latin;mso-bidi-font-family:宋体">它能少量的吸附于微晶体的表面</span><span lang="EN-US" style="font-size:12.0pt;font-family:TimesNewRoman;mso-hansi-font-family:
Calibri;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:TimesNewRoman">, </span><span style="font-size:12.0pt;font-family:宋体;mso-hansi-font-family:Calibri;
mso-hansi-theme-font:minor-latin;mso-bidi-font-family:宋体">阻止结垢晶体的进一步生长和沉淀。但须使用食品级六偏磷酸钠</span><span lang="EN-US" style="font-size:12.0pt;font-family:TimesNewRoman;mso-hansi-font-family:
Calibri;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:TimesNewRoman">, </span><span style="font-size:12.0pt;font-family:宋体;mso-hansi-font-family:Calibri;
mso-hansi-theme-font:minor-latin;mso-bidi-font-family:宋体">还应防止</span><span lang="EN-US" style="font-size:12.0pt;font-family:TimesNewRoman;mso-hansi-font-family:
Calibri;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:TimesNewRoman">SHMP
</span><span style="font-size:12.0pt;font-family:宋体;mso-hansi-font-family:Calibri;
mso-hansi-theme-font:minor-latin;mso-bidi-font-family:宋体">在计量箱中发生水解</span><span lang="EN-US" style="font-size:12.0pt;font-family:TimesNewRoman;mso-hansi-font-family:
Calibri;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:TimesNewRoman">, </span><span style="font-size:12.0pt;font-family:宋体;mso-hansi-font-family:Calibri;
mso-hansi-theme-font:minor-latin;mso-bidi-font-family:宋体">一旦水解</span><span lang="EN-US" style="font-size:12.0pt;font-family:TimesNewRoman;mso-hansi-font-family:
Calibri;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:TimesNewRoman">, </span><span style="font-size:12.0pt;font-family:宋体;mso-hansi-font-family:Calibri;
mso-hansi-theme-font:minor-latin;mso-bidi-font-family:宋体">不仅会降低阻垢效率</span><span lang="EN-US" style="font-size:12.0pt;font-family:TimesNewRoman;mso-hansi-font-family:
Calibri;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:TimesNewRoman">, </span><span style="font-size:12.0pt;font-family:宋体;mso-hansi-font-family:Calibri;
mso-hansi-theme-font:minor-latin;mso-bidi-font-family:宋体">同时也有产生磷酸钙沉淀的危险。因此</span><span lang="EN-US" style="font-size:12.0pt;font-family:TimesNewRoman;mso-hansi-font-family:
Calibri;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:TimesNewRoman">,</span><span style="font-size:12.0pt;font-family:宋体;mso-hansi-font-family:Calibri;
mso-hansi-theme-font:minor-latin;mso-bidi-font-family:宋体">目前极少使用</span><span lang="EN-US" style="font-size:12.0pt;font-family:TimesNewRoman;mso-hansi-font-family:
Calibri;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:TimesNewRoman">SHMP
, </span><span style="font-size:12.0pt;font-family:宋体;mso-hansi-font-family:
Calibri;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:宋体">有机磷酸盐效果更好也更稳定</span><span lang="EN-US" style="font-size:12.0pt;font-family:TimesNewRoman;mso-hansi-font-family:
Calibri;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:TimesNewRoman">, </span><span style="font-size:12.0pt;font-family:宋体;mso-hansi-font-family:Calibri;
mso-hansi-theme-font:minor-latin;mso-bidi-font-family:宋体">适应于防止不溶性的铝和铁的结垢</span><span lang="EN-US" style="font-size:12.0pt;font-family:TimesNewRoman;mso-hansi-font-family:
Calibri;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:TimesNewRoman">, </span><span style="font-size:12.0pt;font-family:宋体;mso-hansi-font-family:Calibri;
mso-hansi-theme-font:minor-latin;mso-bidi-font-family:宋体">高分子量的多聚丙烯酸盐通过分散作用可以减少</span><span lang="EN-US" style="font-size:12.0pt;font-family:TimesNewRoman;mso-hansi-font-family:
Calibri;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:TimesNewRoman">SiO2
</span><span style="font-size:12.0pt;font-family:宋体;mso-hansi-font-family:Calibri;
mso-hansi-theme-font:minor-latin;mso-bidi-font-family:宋体">结垢的形成。<span lang="EN-US"><o:p></o:p></span></span></p><p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;mso-pagination:
none;layout-grid-mode:both;text-autospace:none"><span style="font-size:12.0pt;
font-family:宋体;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin;
mso-bidi-font-family:宋体">但是聚合有机阻垢剂遇到阳离子聚电解质或多价阳离子时</span><span lang="EN-US" style="font-size:12.0pt;font-family:TimesNewRoman;mso-hansi-font-family:Calibri;
mso-hansi-theme-font:minor-latin;mso-bidi-font-family:TimesNewRoman">, </span><span style="font-size:12.0pt;font-family:宋体;mso-hansi-font-family:Calibri;
mso-hansi-theme-font:minor-latin;mso-bidi-font-family:宋体">可能会发生沉淀反应</span><span lang="EN-US" style="font-size:12.0pt;font-family:TimesNewRoman;mso-hansi-font-family:
Calibri;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:TimesNewRoman">, </span><span style="font-size:12.0pt;font-family:宋体;mso-hansi-font-family:Calibri;
mso-hansi-theme-font:minor-latin;mso-bidi-font-family:宋体">例如铝或铁</span><span lang="EN-US" style="font-size:12.0pt;font-family:TimesNewRoman;mso-hansi-font-family:
Calibri;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:TimesNewRoman">, </span><span style="font-size:12.0pt;font-family:宋体;mso-hansi-font-family:Calibri;
mso-hansi-theme-font:minor-latin;mso-bidi-font-family:宋体">产生的胶状反应物会污染反渗透膜。而对于阻垢剂的加入量</span><span lang="EN-US" style="font-size:12.0pt;font-family:TimesNewRoman;mso-hansi-font-family:
Calibri;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:TimesNewRoman">, </span><span style="font-size:12.0pt;font-family:宋体;mso-hansi-font-family:Calibri;
mso-hansi-theme-font:minor-latin;mso-bidi-font-family:宋体">也必须控制一定的浓度。必须避免过量加入</span><span lang="EN-US" style="font-size:12.0pt;font-family:TimesNewRoman;mso-hansi-font-family:
Calibri;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:TimesNewRoman">, </span><span style="font-size:12.0pt;font-family:宋体;mso-hansi-font-family:Calibri;
mso-hansi-theme-font:minor-latin;mso-bidi-font-family:宋体">因为过量的阻垢剂对膜而言也是污染物。</span><span style="font-family: 宋体;"><font size="1">http://www.purewaterone.com</font><span lang="EN-US" style="font-size: 12pt;"><o:p></o:p></span></span></p><p class="MsoNormal" style="margin-bottom: 0.0001pt;">







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